A bus featuring the image of Ken Nunn, a local personal injury lawyer, passes as supporters await the arrival of U.S. Sen. Bernie Sanders, I-VT, at a rally for Liz Watson, the Democratic nominee for Indiana’s 9th congressional district, in Dunn Meadow at Indiana University Bloomington on Friday, Oct. 19, 2018. (James Brosher/IU Communications)

U.S. Sen. Bernie Sanders, I-VT, center, leads a march to an early voting polling place after a rally for Liz Watson, right, the Democratic nominee for Indiana’s 9th congressional district, in Dunn Meadow at Indiana University Bloomington on Friday, Oct. 19, 2018. (James Brosher/IU Communications)